Climate Change

A Phoenix skyline
For the month of July, the average overnight low temperature was nearly 91 degrees — the warmest overnight monthly average on record for Phoenix. Those hot nights are part of a climate change trend with concerning public health consequences.
Jul. 28, 2023
Phoenix Mayor Kate Gallego is seen here behind a podium, speaking at an event about clean energy in Arizona. She is wearing a purple dress and not looking at the camera.
Phoenix has seen a series of records tied and broken from the extreme heat this month, with high lows and the longest streak of temperatures above 110. Mayor Kate Gallego joined President Joe Biden in Washington, D.C., as he announced multiple heat preparedness plans.
Jul. 27, 2023
solar panels
The solar industry added thousands of jobs nationwide last year, according to the latest study by the Interstate Renewable Energy Council, and that trend is likely to continue.
Jul. 26, 2023
Arizona’s congressional delegation has introduced legislation to help clear the way for Salt River Project to build a new hydro power facility, which will help the utility generate renewable energy when solar power is not readily available.
Jul. 26, 2023
farm land
A farmworker in his 20s died last week in Yuma from heat-related causes. The death comes as both national and local lawmakers are calling for stricter regulations to protect workers from extreme heat.
Jul. 26, 2023
Extreme heat orange sun sunset
If the average holds through the end of July, it will mark the first time Phoenix, or any major U.S. city, has seen a monthly average temperature above 100 degrees, according to records.
Jul. 25, 2023
Painting of "Justa Center Expect Miracles"
Phoenix is under an excessive heat warning, this time through Wednesday when temperatures are expected to hit 118. For older Arizonans experiencing homelessness, finding a place to cool off can be a matter of life or death. So where are they going?
Jul. 24, 2023
overnight heat shelter
We’ve heard a lot about the Valley’s roughly 200 cooling centers. In addition, some churches and nonprofits offer “heat-relief respite centers” where unhoused people can sleep during hours of operation.
Jul. 24, 2023
Phoenix Inn
As the extreme summer heat continues in Phoenix, the area’s homeless seniors are seeking respite from the potentially deadly weather. For the last couple of years, there’s been an increase in the number of homeless older Arizonans.
Jul. 22, 2023
summer cactus
The prolonged heat is taking an obvious toll on humans and animals. But what about plants? At the Desert Botanical Garden in Phoenix, they’re watching the flora in the sauna closely.
Jul. 21, 2023
Cactus ferruginous pygmy owl
U.S. Fish and Wildlife Services has moved to get long-awaited federal protections for a tiny owl that lives on both sides of the US-Mexico border.
Jul. 20, 2023
Valeria Cañedo
Throughout Mexico, agave plants are used to make distillates like tequila, mezcal and Sonora’s bacanora. But there are other products that can be made with the plants, too, and one group is using fiber from agave leaves to reduce waste and bring new income to rural communities.
Jul. 19, 2023
a cloud with lightning over phoenix
Many Arizonans are waiting for the summer monsoon, hoping it can temper the state’s record-breaking heat wave. One listener wanted to know how long the monsoon typically lasts.
Jul. 18, 2023
Bureau of Land Management sign
The Bureau of Land Management has begun the public comment process for two solar projects, one about 14 miles west of Maricopa, and the other about 8 miles north of Gila Bend.
Jul. 18, 2023
Solar panels on a roof
Nonprofits in Salt River Project's service area can apply to the program through August 18. The program has already installed 54 solar systems, saving organizations more than $1 million.
Jul. 17, 2023
Extreme heat orange sun sunset
Monday marked Phoenix’s 18th consecutive day of 110 degree or higher temperatures. That tied the record set in 1974. For the area’s unsheltered population, this relentless heatwave has dire medical consequences.
Jul. 17, 2023
hot Thermometer
The National Weather Service has issued an excessive heat warning through Wednesday for Maricopa County.
Jul. 16, 2023
Grand Canyon National Park Bright Angel Trail Victor Vomit heat illness warning sign
One park official said there’s a 20-degree difference between the Grand Canyon’s rim and the bottom. Temperatures are expected to reach highs of 119 degrees in some places.
Jul. 15, 2023
Mobility law
Sonorans’ quality of life is negatively affected by poor roads, lack of safe bike lanes and unreliable public transportation. That’s the message of a proposal submitted by more than 20 citizen groups asking for a law to improve public mobility.
Jul. 14, 2023
Phantom Ranch
Northern Arizona is usually where Valley residents go for respite from the summer heat. But next week, the region is expected to see near-record temperatures.
Jul. 12, 2023


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